KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Minimization of DC-Link Voltage Variation in a Hydraulic Turbine Generation System Using Back-to-Back Converters
Authors	전성수(Sung-Soo Jeon) ; 박영수(Yeongsu Bak) ; 이교범(Kyo-Beum Lee)
DOI	https://doi.org/10.5370/KIEE.2019.68.9.1118
Page	pp.1118-1123
ISSN	1975-8359
Keywords	Hydraulic Turbine Generation System; Back-to-Back Converter; DC-Link Voltage Variation; Compensation Current
Abstract	This paper proposes minimization method of DC-link voltage variation in a hydraulic turbine generation system using back-to-back (BTB) converters. When the generation power is drastically changed, it causes the variation of the DC-link voltage. It deteriorates stability and efficiency of the hydraulic turbine generation system. This paper describes how the compensation current is calculated to reduce the variation of the DC-link voltage. The stability and efficiency of the hydraulic turbine generation system can be improved through the proposed compensation current. The proposed method was verified through the simulation and experimental results.

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